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javax.sound.sampled.spi
class AudioFileReader

java.lang.Object extended by javax.sound.sampled.spi.AudioFileReader

public abstract class AudioFileReader
extends Object

Provider for audio file reading services. Classes providing concrete implementations can parse the format information from one or more types of audio file, and can produce audio input streams from files of these types.


Constructor Summary

          
 
Method Summary
abstract AudioFileFormat

          Obtains the audio file format of the File provided.
abstract AudioFileFormat

          Obtains the audio file format of the input stream provided.
abstract AudioFileFormat

          Obtains the audio file format of the URL provided.
abstract AudioInputStream

          Obtains an audio input stream from the File provided.
abstract AudioInputStream

          Obtains an audio input stream from the input stream provided.
abstract AudioInputStream

          Obtains an audio input stream from the URL provided.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AudioFileReader

public AudioFileReader()
Method Detail

getAudioFileFormat

public abstract AudioFileFormat getAudioFileFormat(File file)
                                            throws UnsupportedAudioFileException,
                                                   IOException
Obtains the audio file format of the File provided. The File must point to valid audio file data.

Parameters:
file - the File from which file format information should be extracted
Returns:
an AudioFileFormat object describing the audio file format
Throws:
UnsupportedAudioFileException - if the File does not point to valid audio file data recognized by the system
IOException - if an I/O exception occurs

getAudioFileFormat

public abstract AudioFileFormat getAudioFileFormat(InputStream stream)
                                            throws UnsupportedAudioFileException,
                                                   IOException
Obtains the audio file format of the input stream provided. The stream must point to valid audio file data. In general, audio file readers may need to read some data from the stream before determining whether they support it. These parsers must be able to mark the stream, read enough data to determine whether they support the stream, and, if not, reset the stream's read pointer to its original position. If the input stream does not support this, this method may fail with an IOException.

Parameters:
stream - the input stream from which file format information should be extracted
Returns:
an AudioFileFormat object describing the audio file format
Throws:
UnsupportedAudioFileException - if the stream does not point to valid audio file data recognized by the system
IOException - if an I/O exception occurs

getAudioFileFormat

public abstract AudioFileFormat getAudioFileFormat(URL url)
                                            throws UnsupportedAudioFileException,
                                                   IOException
Obtains the audio file format of the URL provided. The URL must point to valid audio file data.

Parameters:
url - the URL from which file format information should be extracted
Returns:
an AudioFileFormat object describing the audio file format
Throws:
UnsupportedAudioFileException - if the URL does not point to valid audio file data recognized by the system
IOException - if an I/O exception occurs

getAudioInputStream

public abstract AudioInputStream getAudioInputStream(File file)
                                              throws UnsupportedAudioFileException,
                                                     IOException
Obtains an audio input stream from the File provided. The File must point to valid audio file data.

Parameters:
file - the File for which the AudioInputStream should be constructed
Returns:
an AudioInputStream object based on the audio file data pointed to by the File
Throws:
UnsupportedAudioFileException - if the File does not point to valid audio file data recognized by the system
IOException - if an I/O exception occurs

getAudioInputStream

public abstract AudioInputStream getAudioInputStream(InputStream stream)
                                              throws UnsupportedAudioFileException,
                                                     IOException
Obtains an audio input stream from the input stream provided. The stream must point to valid audio file data. In general, audio file readers may need to read some data from the stream before determining whether they support it. These parsers must be able to mark the stream, read enough data to determine whether they support the stream, and, if not, reset the stream's read pointer to its original position. If the input stream does not support this, this method may fail with an IOException.

Parameters:
stream - the input stream from which the AudioInputStream should be constructed
Returns:
an AudioInputStream object based on the audio file data contained in the input stream.
Throws:
UnsupportedAudioFileException - if the stream does not point to valid audio file data recognized by the system
IOException - if an I/O exception occurs

getAudioInputStream

public abstract AudioInputStream getAudioInputStream(URL url)
                                              throws UnsupportedAudioFileException,
                                                     IOException
Obtains an audio input stream from the URL provided. The URL must point to valid audio file data.

Parameters:
url - the URL for which the AudioInputStream should be constructed
Returns:
an AudioInputStream object based on the audio file data pointed to by the URL
Throws:
UnsupportedAudioFileException - if the URL does not point to valid audio file data recognized by the system
IOException - if an I/O exception occurs


This documentation differs from the official API. Jadeite adds extra features to the API including: variable font sizes, constructions examples, placeholders for classes and methods, and auto-generated “See Also” links. Additionally it is missing some items found in standard Javadoc documentation, including: generics type information, “Deprecated” tags and comments, “See Also” links, along with other minor differences. Please send any questions or feedback to bam@cs.cmu.edu.
This page displays the Jadeite version of the documention, which is derived from the offical documentation that contains this copyright notice:
Copyright 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
The official Sun™ documentation can be found here at http://java.sun.com/javase/6/docs/api/.